Home / 190,702.76-263,172.65-105,825.29

Finding the Fourth Proportional to 190,702.76, 263,172.65 and 105,825.29

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Solution

The fourth proportional to 190,702.76, 263,172.65 and 105,825.29 is: 146,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,702.76 : 263,172.65 = 105,825.29 : x
  2. Step 2: Convert to fraction form
    190,702.76/263,172.65 = 105,825.29/x
  3. Step 3: Cross multiply
    190,702.76x = 263,172.65 × 105,825.29
  4. Step 4: Simplify right side
    190,702.76x = 27,850,320,161.33
  5. Step 5: Solve for x
    x = 27,850,320,161.33/190,702.76
  6. Step 6: Final answer
    x = 146,040.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.